[all-commits] [llvm/llvm-project] defc48: [AArch64] Remove Automatic Enablement of FEAT_F32M...

[Jack Styles via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: defc4859b032ccaec69f24b6cfd9882fece5f093
      https://github.com/llvm/llvm-project/commit/defc4859b032ccaec69f24b6cfd9882fece5f093
  Author: Jack Styles <99514724+Stylie777 at users.noreply.github.com>
  Date:   2024-03-27 (Wed, 27 Mar 2024)

  Changed paths:
    M clang/test/Driver/aarch64-sve.c
    M clang/test/Preprocessor/aarch64-target-features.c
    M llvm/docs/ReleaseNotes.rst
    M llvm/lib/TargetParser/AArch64TargetParser.cpp
    M llvm/unittests/TargetParser/TargetParserTest.cpp

  Log Message:
  -----------
  [AArch64] Remove Automatic Enablement of FEAT_F32MM (#85203)

When `+sve` is passed in the command line, if the Architecture being
targeted is V8.6A/V9.1A or later, `+f32mm` is also added. This enables
FEAT_32MM, however at the time of writing no CPU's support this. This
leads to the FEAT_32MM instructions being compiled for CPU's that do not
support them.

This commit removes the automatic enablement, however the option is
still able to be used by passing `+f32mm`.



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